Question is ⇒ The cocci which forms a bunch and irregular pattern are, Options are ⇒ (A) Staphylococci, (B) diplococci, (C) Tetracocci, (D) Streptococci, (E) , Leave your comments or Download question paper.

Question is ⇒ The cocci which forms a bunch and irregular pattern are, Options are ⇒ (A) Staphylococci, (B) diplococci, (C) Tetracocci, (D) Streptococci, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The cocci which forms a bunch and irregular pattern are
A.	Staphylococci [Correct Answer]
B.	diplococci [Wrong Answer]
C.	Tetracocci [Wrong Answer]
D.	Streptococci [Wrong Answer]
View Answer 3 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ The next to last step in peptidoglycan biosynthesis is
synthesis of the NAM-peptide subunit
removal of the subunit from bactoprenol
linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
cross-linking the peptide side chains of peptidoglycan

⇒ Chemotaxis is a phenomenon of
swimming away of bacteria
swimming towards a bacteria
swimming away or towards of bacteria in presence of chemical compound
none of the above

⇒ The cell wall of
gram-positive bacteria are thicker than gram-negative bacteria
gram-negative bacteria are thicker than gram-positive bacteria
both have same thickness but composition is different
none of these

⇒ Teichoic acids are typically found in
cell walls of gram positive bacteria
outer membranes of gram positive bacteria
cell walls of gram negative bacteria
outer membranes of gram negative bacteria

⇒ A cluster of polar flagella is called
lophotrichous
amphitrichous
monotrichous
petritrichous

⇒ Which of the following is exposed on the outer surface of a gram-negative bacterium?
O-antigen of lipopolysaccharide (LPS)
Polysaccharide portion of lipoteichoic acid (LTA)
Braun lipoprotein
Electron transport system components

⇒ The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as
lipase
lysozyme
pectinase
peroxidase

⇒ Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?
Cyanobacteria
Mycoplasmas
Bdellovibrios
Spirochetes

⇒ The cocci which forms a bunch and irregular pattern are
Staphylococci
diplococci
Tetracocci
Streptococci

⇒ The structure responsible for motility of bacteria is
pilli
flagella
sheath
capsules

⇒ The protein from which hook and filaments of flagella are composed of, is
keratin
flagellin
gelatin
casein

⇒ In eukaryotic cells, ribosomes are
70S
60S
80S
Not specific

⇒ The other name for peptidoglycan is
mucopeptide
murein
both (a) & (b)
none of these

⇒ Cytoplasmic inclusions include
ribosomes
mesosomes
fat globules
all of these

⇒ Chemically the capsule may be
polypeptide
polysaccharide
either (a) or (b)
none of these

⇒ The bacteria deficient in cell wall is
Treponema
Mycoplasma
Staphylococcus
Klebsiella

⇒ Peptidoglycan is found only in the bacterial
cell membrane
glycocalyx
cell wall
spore

⇒ Cyanobacteria have
a gram-positive cell wall
a gram-negative cell wall
Neither (a) nor (b)
No cell wall

⇒ Which of the following may contain fimbriae?
Gram-positive bacteria
Gram-negative bacteria
Both (a) and (b)
None of these

⇒ Which of the following may be most likely to be missing from a gram-positive bacterium?
Penicillin binding protein
Peptidoglycan
Lipopolysaccharide
Phospholipid bilayer membrane

⇒ Genetic system is located in the prokaryotes in
nucleoid
chromatin
nuclear material
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⇒ Peptidoglycan is also known as
N-acetyl muramic acid
murein mucopeptide
N acetylglucosamine
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⇒ Which of the following is analogous to mesosomes of bacteria?
Mitochondria of eukaryotes
Golgi apparatus of eukaryotes
Lysosomes of eukaryotes
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⇒ The common word for bacteria which are helically curved rods is
cooci
pleomorphic
bacillus
spirilla

⇒ The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by
α- 1,4-glycosidic bond
β-1,6-glycosidic bond
α- 1,6-glycosidic bond
β- 1,4-glycosidic bond

⇒ The common word for bacteria which are straight rod in shape is
cooci
bacilli
spirilla
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⇒ Microcapsules are composed of
proteins
polysaccharides
lipids
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attachment of a peptide to muramic acid
attaching two amino acids to form a cross-link
attachment of a portion of peptidoglycan to a membrane lipid
binding of penicillin to a membrane protein

⇒ Periplasm is
the area between the inner and outer membranes of gram-negative bacteria
the area between the inner and outer membranes of Gram-positive bacteria
the interior portion of mitochondria
the area outside the cell membrane that is influenced by the polymers

⇒ Flagella move the cell by
many flagella beating in a synchronous, whip-like motion
an individual flagellum beating in a whip-like motion
spinning like a propeller
attaching to nearby particles and contracting